#include <iostream>

using namespace std;

struct Data
{
    string key;
    int value;

    void show()
    {
        cout << "key : " << key << ", value : "<< value << endl;

    }

};
int main(int argc, char const *argv[])
{
    Data data;
    data.key = " 丝绒拿铁";
    data.value = 10;

    data.show();

    Data data2;

    data2.key = "qwer";
    data2.value = 9;

    data2.show();
    return 0;
}
